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circa 1850



Hydraulic mining (Hydromining) originated out of ancient Roman techniques that used water to excavate soft underground deposits.


What has been described as ‘modern’ hydraulic mining using pressurised water directed by a monitor came about in the 1850s during the California Gold Rush.

Safety Solutions


ALIOS has re-engineered hydromining bringing a step-change in safety and working conditions for operators while lowering the risk profile and energy use for mine owners.

This re-engineering coupled with sound mine planning practices has delivered efficiencies to modern hydromining.


2020 – Alios Control Room – Multi HydroMiner Operation

Plan the Mine – Mine the Plan

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The hydromining sequencing can be planned to maintain slurry velocity and density. GPS positioning allows the operator to position the HydroMiner exactly as planned.

A full tele-remote, low-input pressure system means no high pressure hazards, no manual handling and no operators on the dam floor.

2020 – HydroMiner 150 – can be manually operated if required

The two-part assembly of the straight stream nozzle and the flow straightener is the key to maximising efficiency. This system is designed to eliminate radial flow swirl preventing premature breakup of the water stream, maximising the effect of the available energy.

Alios’ superior barrel and nozzle engineering, design and production has resulted in lower input pressures required to achieve the same results. This system is designed to eliminate radial flow swirl to maximise the effect of the available energy. The use of these engineered nozzles and barrels has allowed Alios to use an input pressure of 1,200 kPa so all mining water can be delivered by welded HDPE piping. Manual handling of steel pipes has been eliminated from Alios sites.

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